Miyawaka is a city located in Fukuoka, Japan. As of 31 January 2024, the city had an estimated population of 26,447 in 13369 households, and a population density of 190 persons per km². The total area of the city is 139.99 km2 (54.05 sq mi).

Koga is a city located in Fukuoka Prefecture, Japan. As of 29 February 2024, the city had an estimated population of 59,282 in 26981 households, and a population density of 1400 persons per km². The total area of the city is 42.07 km2 (16.24 sq mi).